Wireless charger



FIG. 1 is a first perspective view showing a wireless charger showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4is a back view thereof;

FIG. 5 is a left side view-thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the wireless charger that form no part of the claimed design. 

CLAIM The ornamental design for a wireless charger, as shown and described. 